@charset "utf-8";
/**** 全局定义 ****/
* {
    box-sizing: border-box;
}
html,body {
    margin: 0;
    font: 20px sans-serif;
}
main {
    width: 1200px;
    margin: 0 auto;
}
input, select, textarea, button {
    padding: 6px;
    font: 18px sans-serif;
    outline: none;
    border: 1px solid #9c9c9c;
    border-radius: 3px;
}
button,a {
    cursor: pointer;
    user-select: none;
}
button:active {
    background-color: #e3e3e3;
}

/**** 细节设置 ****/
/* 按钮组 */
.btn-group {
    padding: 10px;
}
.btn-group button {
    width: 120px;
    padding: 10px;
    font-size: 1.6rem;
}

/* 扑克牌面板 */
.poker-panel {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.poker-panel img {
    margin: 10px;
}